Message-Id: <200412011028.iB1ASZIk030820@news01.csr.com>
To: bluez-users@lists.sourceforge.net
Subject: Re: [Bluez-users] Test Mode 
In-reply-to: <1101882666.18840.23.camel@pegasus> 
References: <2de4657604113010234e4e3a3f@mail.gmail.com> <1101882666.18840.23.camel@pegasus>
From: Peter Stephenson <pws@csr.com>
Sender: bluez-users-admin@lists.sourceforge.net
Errors-To: bluez-users-admin@lists.sourceforge.net
Reply-To: bluez-users@lists.sourceforge.net
Date: Wed, 01 Dec 2004 10:28:34 +0000

> The LMP specification speaks about the Test Mode and Methodology
> saying that Adaptive power control, adaptive freq hopping scenarios
> can be imitated provided the respective LMP PDU's are sent.
> 
> How do I make the HCI commands initiate these LMP PDU's? The HCI
> specification have only the "Test Enable" and "Read and Write
> Loopback"  test commands but other no commands which will result in
> inititating the LM to the testing modes. How do i conduct these
> adaptive tests?

It's quite deliberate that the only thing you can do with a production
device is put it into test mode as a slave
(HCI_Enable_Device_Under_Test_Mode), requiring all test instructions to
be sent from the master.  To do the test end you need a specialist
tester.  These tend to be expensive since they're aimed at manufacturers
doing a lot of testing.

You can use local and remote loopback without any extra hardware
support, however.  They are completely separate from the test modes you
are talking about.

Since the features aren't available over HCI, you need to ask somewhere
else.  However, if you're looking for a cheap way of using the Bluetooth
test modes you're probably out of luck.  Most manufacturers (including
us) provide some simplified but non-standard test commands you can run
between two modules for RF testing and characterisation.

-- 
Peter Stephenson <pws@csr.com>                  Software Engineer
CSR PLC, Churchill House, Cambridge Business Park, Cowley Road
Cambridge, CB4 0WZ, UK                          Tel: +44 (0)1223 692070


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